MD STATIONARY ENGINEER PRACTICE QUESTIONS AND
ANSWERS LATEST UPDATED A+ SCORE REVIEW ASSURED
SUCCESS 2026
The madulating pressure control is sensitive to what?
Temperature
The boiler steam-pressure gauge is protected from high
temperatures by
Siphon
Compressor does what?
Changes low pressure gas to a high pressure liquid
What should never be blown down during furnace operation?
Water walls
Light and a photoelectric cell are sometimes used to indicate
Smoke density
The cold lime-soda process softens the boiler water at?
, Ambient Temperature
Pressure gauges are calibrated in pounds per?
Square inch
Deposits of calcium and magnesium carbonates on the boiler
heating surface cause___
Scale
Boiler tubes are sized using the
Outside diameter
A boiler horsepower is defined as
The Evaporation of 34.5 pounds of water per hour and at feed
water temp of 212 degrees
Spalling in a boiler refers to
Hairline cracks in the refractory
What valves should be used for throttling services?
ANSWERS LATEST UPDATED A+ SCORE REVIEW ASSURED
SUCCESS 2026
The madulating pressure control is sensitive to what?
Temperature
The boiler steam-pressure gauge is protected from high
temperatures by
Siphon
Compressor does what?
Changes low pressure gas to a high pressure liquid
What should never be blown down during furnace operation?
Water walls
Light and a photoelectric cell are sometimes used to indicate
Smoke density
The cold lime-soda process softens the boiler water at?
, Ambient Temperature
Pressure gauges are calibrated in pounds per?
Square inch
Deposits of calcium and magnesium carbonates on the boiler
heating surface cause___
Scale
Boiler tubes are sized using the
Outside diameter
A boiler horsepower is defined as
The Evaporation of 34.5 pounds of water per hour and at feed
water temp of 212 degrees
Spalling in a boiler refers to
Hairline cracks in the refractory
What valves should be used for throttling services?
